Home / 53,590.60-80,322.72-18,511.12

Finding the Fourth Proportional to 53,590.60, 80,322.72 and 18,511.12

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Solution

The fourth proportional to 53,590.60, 80,322.72 and 18,511.12 is: 27,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,590.60 : 80,322.72 = 18,511.12 : x
  2. Step 2: Convert to fraction form
    53,590.60/80,322.72 = 18,511.12/x
  3. Step 3: Cross multiply
    53,590.60x = 80,322.72 × 18,511.12
  4. Step 4: Simplify right side
    53,590.60x = 1,486,863,508.65
  5. Step 5: Solve for x
    x = 1,486,863,508.65/53,590.60
  6. Step 6: Final answer
    x = 27,744.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.